class AddIssue < ActiveRecord::Migration
  def self.up
    create_table :issues do |t|
      t.column :issue_number, :integer, :null=>false
      t.column :volume_number, :integer, :null=>false
      t.column :issue_date, :date, :null=>false
    end
  end

  def self.down
    drop_table :issues
  end
end
